Story
The story opens with the Metal Men cornered by the police, who are
preparing to attack them with bullets and grenades

Police Attack

Gold tell lead to create a shield and
Lead obliges and the rest of the Metal Men take cover, the police
continue their assault trying to get to Leads responsometer to bring
him down. As they climb up the pleading Lead, Tina circles round via
a roof top and scoops up the police in a platinum net. At that
moment though a stupendous fearful figure appears crushing police
and police cars in its wake.

Colonel Magnus

Instantly Tina hurls herself against the awesome giant fly and
lead creates massive mallets to bring the creature Fferka down. Like
a toppling oak the invading giant falls under leads blow, but the
nightmare is just beginning as when it lands it splits open and an
army of flies swarm out, expanding as they appear. Lead and Platinum
beat a retreat to find the rest of the Metal Men.

They find them in a alley way hiding from the police that are still
intent on hunting them down, just them an armoured car backs up and
out gets Col Magnus, Doc Magnus's brother who has tracked them down
using a wristwatch radar given by the Doc that is tuned to the Metal
Men's impulses. The climb in the back and speed past the
unsuspecting police. All of a sudden their route is blocked by a
Fferka, they try to drive around but are caught and
Fferka declares
that they must die as has their own world.

The monster recalls how their own planet had run out of food and
they needed to comb the universe for other food supplies and the
Earth is perfect for their needs.

Col Magnus accelerates and they manage to break free
and take them back to the lab where Doc Magnus lies in a coma, there
Col Magnus carries out his brothers last command and in a basement
turns of their activators until authorities require them.

Metal Men

48 hours earlier Doc Magnus has given the Metal Men new
responsometers to make them more robot like, but as he activates
them a flash of energy strikes the Doc rendering him comatose. His
brother orders the new Metal Men to attend a giant fire, but as they
try to help their new super-strength causes them to tear the fire
hoses, Iron then attempts to stop a wall falling it his increased
strength makes it fall the wrong way towards the firemen. The Metal
leave quickly to avoid the angry firemen and as they do so they try
to assist the police but it goes wrong and a police car is wrecked
and the villains escape. The police think the group had turned rebel
and try to shoot them down.

Cut back to the present and the Metal Men awake having been
activated to stop the Fferka giant fly monsters. They race to the
scene and are hurled against the power lines, Gold and Platinum
being conductive pick up the ripped power cables and charge the fly
monsters incinerating them and their spore ship. The fearsome
invasion is consumed but instead of applause they are cornered by
the police. At the lab Col Magnus waits futilely for their return